condition	mean	min	max
4 h after light	61.8269205	56.080759	67.573082
8 h after light	65.966493	61.91197	70.021016
12 h after light	77.5910505	70.371139	84.810962
4 h after dark	57.5719475	46.405604	68.738291
8 h after dark	54.796797	46.947169	62.646425
12 h after dark	68.60191	68.60191	68.60191